Find Flights from Chicago to Ulaanbaatar from USD 1,162*

Discover Flight Deals from Chicago to Ulaanbaatar

Sep 2026
FromUSD 1,162*
Viewed: 1 day ago
Round Trip/Economy Class
Oct 2026
No result for this month.
Nov 2026
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label USD 1.2K
Displaying fares for September-2026
  • ORD–UBN, Sep 11, 2026 – Sep 28, 2026: From USD 1,162
    11

    Fri

    SEP

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    12

    Sat

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    13

    Sun

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    14

    Mon

  • ORD–UBN, Sep 15, 2026 – Sep 30, 2026: From USD 1,600
    15

    Tue

  • ORD–UBN, Sep 16, 2026 – Sep 30, 2026: From USD 1,357
    16

    Wed

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    17

    Thu

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    18

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    19

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  • ORD–UBN, Sep 20, 2026 – Oct 04, 2026: From USD 2,127
    20

    Sun

  • ORD–UBN, Sep 21, 2026 – Oct 11, 2026: From USD 1,862
    21

    Mon

  • ORD–UBN, Sep 22, 2026 – Oct 11, 2026: From USD 1,672
    22

    Tue

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    23

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    24

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    25

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    26

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  • ORD–UBN, Sep 27, 2026 – Oct 08, 2026: From USD 1,721
    27

    Sun

  • ORD–UBN, Sep 28, 2026 – Oct 08, 2026: From USD 1,721
    28

    Mon

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    29

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    30

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    01

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    OCT

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    • RangeUSD 1,162-USD 2,127

    *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.

    More Flight Deals from Chicago to Ulaanbaatar

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    More Flight Deals from Chicago to Ulaanbaatar
    From
    To
    Fare Type
    Dates
    Price
    Chicago (ORD)Ulaanbaatar (UBN)Round Trip
    /
    Economy Class    		Jun 27, 2027 - Jul 29, 2027

    From

    USD 1,220

    Viewed: 8 hrs ago

    Chicago (ORD)Ulaanbaatar (UBN)Round Trip
    /
    Economy Class    		Jun 26, 2027 - Jul 29, 2027

    From

    USD 1,220

    Viewed: 8 hrs ago

    Chicago (ORD)Ulaanbaatar (UBN)Round Trip
    /
    Economy Class    		Jun 27, 2027 - Aug 05, 2027

    From

    USD 1,220

    Viewed: 8 hrs ago

    Chicago (ORD)Ulaanbaatar (UBN)Round Trip
    /
    Economy Class    		Jun 26, 2027 - Aug 05, 2027

    From

    USD 1,220

    Viewed: 8 hrs ago

    Chicago (ORD)Ulaanbaatar (UBN)Round Trip
    /
    Economy Class    		Jul 03, 2027 - Jul 29, 2027

    From

    USD 1,220

    Viewed: 16 hrs ago

    Chicago (ORD)Ulaanbaatar (UBN)Round Trip
    /
    Economy Class    		Jun 26, 2027 - Jul 22, 2027

    From

    USD 1,259

    Viewed: 16 hrs ago

    • * Fares are subject to change based on the real-time availability of flight tickets. You can see a list of available fares when selecting your flight in the booking stage.
    • * Fare estimates are based on price per adult, including taxes and fuel surcharges. Additional fees and charges for optional products and services may apply.

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